Search the web
Sign In
New User? Sign Up
thechemistrycluster · The Chemistry Cluster - A place to talk of the great world of Chemistry...
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Hear how Yahoo! Groups has changed the lives of others. Take me there.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 12573 - 12611 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
12573
Hi Can any one tell me a procedure for coupling bromo methyl pyridine to alkyl alcohol. What base can be used. As the base can attack the bromo group and the...
Sonali K
sonalikgt
Offline Send Email
Dec 2, 2007
5:19 pm
12574
please i search for the relation between density and concentration for example solution of NH4OH 25% WHAT IS ITS DENSITY? ... Never miss a thing. Make Yahoo...
mohamed ahmed
moh_ahmedz
Offline Send Email
Dec 2, 2007
8:16 pm
12575
The procedure would probably involve creating a Grignard Reagent by reacting finely divided Mg with the bromo-methyl pyridine (you do not say which isomer it...
John W
johnwwxtraconz
Offline Send Email
Dec 2, 2007
9:43 pm
12576
But I dont need a alkyl linkage I need a ether formation between the Bromo methyl ortho pyridine and alcohol _s John W <JohnWW@...> wrote: The procedure...
Sonali K
sonalikgt
Offline Send Email
Dec 2, 2007
11:51 pm
12577
You have not specified the compound. Is it 4-bromo-2-methyl? Or is it 2-bromo-4-methyl? Also, what is the alcohol from which you want to make the ether? I...
Steve
steve_geo1
Offline Send Email
Dec 3, 2007
1:03 am
12578
Oh, you want an ether, an (alkoxymethyl)pyridine? That would involve the net elimination of HBr between the two molecules. A simple way to to do this may seem ...
John W
johnwwxtraconz
Offline Send Email
Dec 3, 2007
1:10 am
12579
You can try Ar-CH2-Br + R-O k ..................in basic medium to gave you Ar-CH2-O-R + KBr with best regards H.Morsy ... Get easy, one-click access to...
hesham morsy
hesham_astra...
Offline Send Email
Dec 3, 2007
9:07 pm
12580
You can try solution of 25 % it means .............the stregnth of the solution is 25% so we can calculate the following stregnth = normality X...
hesham morsy
hesham_astra...
Offline Send Email
Dec 3, 2007
9:16 pm
12581
mass of solute in a solution = %C of solution x density of solutio x Volume of solution---. The concentration (C) is higher if the density is high. If we...
galopus
Offline
Dec 4, 2007
2:29 am
12585
Hi Every Chemists I'm srearching about any information about color fastness عبد...
abdallah khlil
abdoo_khlil
Offline Send Email
Dec 5, 2007
6:07 pm
12586
Dear Abdallah khlil Asslam-o-Alakum Please find here attached two papers about it and one reference you can get more from. Muthyala R. Chemistry of...
abdul hafeez
hafeezlaghari58
Offline Send Email
Dec 6, 2007
5:08 am
12587
The attachments were removed, because this group stupidly does not accept attachments! Upload them to www.rapidshare.com, and post the link for downloading ...
John W
johnwwxtraconz
Offline Send Email
Dec 6, 2007
7:17 am
12588
Hey All, I am new here and would like to introduce myself. chat with ya all soon, Al Mad ... The Best Free Ad Portal www.saharaclassifieds.com...
heyallfromal
Offline
Dec 6, 2007
6:39 pm
12589
DEAR ALL When YOU try to solve a problem in the analatical chemistry try to be clear in your solution and do not give a vage answer...
hesham morsy
hesham_astra...
Offline Send Email
Dec 6, 2007
7:29 pm
12590
Dear friends Can you please suggest the links to download books on dendrimers and hyperbranched polymers? Rajesh. ... Save all your chat conversations. Find...
rajesh krishnang
rajeshkrishnang
Offline Send Email
Dec 7, 2007
5:59 am
12591
U post a really interesting website but way confusing for me http://www.chemthes.com/rxn_dp.php?id=2537 Can you tell me a little bit how it works? ... ...
bcoockien
Offline Send Email
Dec 11, 2007
3:11 am
12592
hi , you can gain ICl3 from I2 and Cl2, but not pure .because the Cl2, I2 and ICl3 are covalent bone,the reaction take place under the condition of reconbine...
taiji shengnv
taijishengnv
Offline Send Email
Dec 11, 2007
9:27 am
12595
Schaum's Outline Of Organic Chemistry - 3rd Edition, 1999 (DJVU) After having been uploaded for about 4 to 6 months, with about 60 downloads, in the last 18...
John W
johnwwxtraconz
Offline Send Email
Dec 13, 2007
1:18 am
12599
Does anyone know where I can download an ebook about experiences in chemistry laboratory? Thanks a lot!...
bcoockien
Offline Send Email
Dec 17, 2007
12:12 am
12600
Here are some uploads on practical chemical laboratory techniques, both analytical and synthetic, mostly organic: ...
John W
johnwwxtraconz
Offline Send Email
Dec 17, 2007
9:41 am
12601
thank you mr John White. You know many things! ... From: John W <JohnWW@...> To: thechemistrycluster@yahoogroups.com Sent: Monday, December 17, 2007...
coockie pham ngoc
bcoockien
Offline Send Email
Dec 17, 2007
2:35 pm
12602
I'm a bit biased, but you might want to check out http://www.virtlab.com. Virtlab is a series of laboratory exercises designed to work with laboratory...
David Barkley
davidsbarkley
Offline Send Email
Dec 17, 2007
5:55 pm
12603
Dear Friend Try to use program of inter net dowenload <E donky> with best regards H.Morsy ... Be a better friend, newshound, and know-it-all with Yahoo!...
hesham morsy
hesham_astra...
Offline Send Email
Dec 17, 2007
9:44 pm
12604
I use micro media flash MX for animation but you if want to create .gif image files. you should use jasc animation shope 3. Janos Szoverfi...
aftab hussain
waftabw
Offline Send Email
Dec 18, 2007
3:44 pm
12605
Can anyone help me in telling the reaction conditions for a coupling of two alcohol to form ether. I have made one of the alcohol as mesylate as mesyl group is...
Sonali K
sonalikgt
Offline Send Email
Dec 19, 2007
12:05 am
12606
thick sulfuric acid the temperature is 140. ... From: Sonali K <sonalikgt@...> To: thechemistrycluster@yahoogroups.com Sent: Wednesday, December 19,...
taiji shengnv
taijishengnv
Offline Send Email
Dec 19, 2007
6:50 am
12607
Use google tp find Vogel text book for practical chemistry with best regards H.Morsy ... Never miss a thing. Make Yahoo your homepage. [Non-text portions of...
hesham morsy
hesham_astra...
Offline Send Email
Dec 19, 2007
9:30 pm
12608
Do you means Vogel's Practical Organic Chemistry? Here are the 3rd and 5th editions: ...
John W
johnwwxtraconz
Offline Send Email
Dec 19, 2007
10:02 pm
12610
Hi, Can you please tell me free ebook for solid state chemistry? Also, guide me to download if it is availble freely Eka John W JohnWW@... wrote: Do...
sambandan ekambaram
s_69ekambaram
Offline Send Email
Dec 20, 2007
9:34 pm
12611
I have some ebooks on the subjects of solid-state chemistry and physics, which I could upload. However, there are no doubt many already uploaded. I therefore ...
John W
johnwwxtraconz
Offline Send Email
Dec 20, 2007
10:06 pm
Messages 12573 - 12611 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help